38967890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7034

約数の個数: 32

約数和(自身を含む): 77305536

約数和(自身を除く): 38337646

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 6971, 13942, 34855, 69710, 90623, 181246, 299753, 453115, 599506, 906230, 1498765, 2997530, 3896789, 7793578, 19483945, 38967890]

約数ペア:

[(1, 38967890), (2, 19483945), (5, 7793578), (10, 3896789), (13, 2997530), (26, 1498765), (43, 906230), (65, 599506), (86, 453115), (130, 299753), (215, 181246), (430, 90623), (559, 69710), (1118, 34855), (2795, 13942), (5590, 6971)]